Home / 33,038.61-45,542.95-20,268.15

Finding the Fourth Proportional to 33,038.61, 45,542.95 and 20,268.15

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Solution

The fourth proportional to 33,038.61, 45,542.95 and 20,268.15 is: 27,939.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,038.61 : 45,542.95 = 20,268.15 : x
  2. Step 2: Convert to fraction form
    33,038.61/45,542.95 = 20,268.15/x
  3. Step 3: Cross multiply
    33,038.61x = 45,542.95 × 20,268.15
  4. Step 4: Simplify right side
    33,038.61x = 923,071,342.04
  5. Step 5: Solve for x
    x = 923,071,342.04/33,038.61
  6. Step 6: Final answer
    x = 27,939.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.